What is the difference between uefi boot and legacy boot?

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Pavel2016-06-05 17:58:14

System administration

Pavel, 2016-06-05 17:58:14

There are two boot modes in bios, uefi boot and legacy boot. If you select the first one, control is given to the Windows bootloader, if you activate the second one, grub is loaded. The question itself is where these loaders are located and what is happening in general and where to read about it. In RuNet there is a lot of rubbish about uefi itself and secure boot.

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3 answer(s)

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Nathan Stark, 2016-06-05
@MattLe

bootloaders are on your drive. and bios and uefi just pass the "baton" to the bootloader.
If it's very simple to say that uefi is the next generation of bios

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Saiputdin Omarov, 2016-06-05
@generalx

Well, in the internet, apparently not looking there.
And in short, @MattLe answered you.
Well, I partly agree with him, for me this is the previous generation of bios MacPro 2007, because. MacOS9 does not support legacy bios at all. Here it is generally explained that the first version is from 2000

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Vladimir, 2016-06-05
@bossonojka

If you plan to use multiple operating systems, boot modes will help you a lot. Since not all operating systems support booting in UEFI mode . This is very useful because you can install one operating system in UEFI mode and another in normal mode. The BIOS has the appropriate settings where you can choose the boot method for both UEFI and Legacy .
As for bootloaders , that's right, they are on your disk .